Buying pasteboard



UNITED STATES JAMES H. PATTERSON, OF SGHAGHTICOKE, NEW' YORK.

:DRYING PAsTEBoAED.

Specification of Letters Patent No. 31,822, dated March 26, 1861.

To all whom it may concern:

Be it known that I, JAMES H. PATTERSON, of Schaghticoke, in the county of Rensselaer and State of New York, have invented a new and useful Device to Facilitate the Curing or Drying of Paper-Board as it is Taken from the Machine; and I do hereby declare that the following is a full,clear, and exact description of the same, reference being had to the annexed drawings, making a part of this specification, in which- Figure l is a perspective view of my invention. Fig. 2, a viewof the same in an open state. Fig. 3, a transverse section of the same in a closed state.

Similar letters of reference indicate corresponding parts in the several figures.

In curing or drying paper-board or pasteboard as it is frequently termed, the plan hitherto practiced has been to take the sheets as they pass from the cylinder of the machineand lay them on the ground, that is when the weather is favorable for drying. This plan is attended with considerable difficulty as the sheets as they are taken from the cylinder are very heavy, weighing about three pounds two of which are water. In this wet state the sheets are very tender and require to be handled with the utmost care. This mode of curing or drying the sheets is attended with considerable expense, about $5.00 per ton and can be practiced only a small portion of the year.

The object of the within described invention is to facilitate the handling or conveying of the wet or .green board, so that the same may not be injured by manipulation and the necessary work performed rapidly, the invention also admitting of the boards being dried by artificial heat in a revolving cylinder or by any means usually employed for drying other articles.

The invention consists in placingthe wet or green boards as they are taken from the cylinder of the machine, within portable frames constructed substantially as hereinafter fully shown and described, whereby the sheets are fully protected while drying, and will admit of being carried or conveyed with perfect safety from place to place as may be required during the process.

To enable those'skilled in the art to fully understand and construct my invent-ion I will proceed to describe it.

The frame A. is of rectangular form and may be of wood, that would probably be the preferable material, and is formed of two parts a, Z), connected together by hinges o, o. The parts a, o, are constructed precisely alike, each part being formed of four pieces framed together in rectangular shape as shown clearly in Figs. 1 and 2. The interior or open space of .each part o, o, of the frame is filled in with wires d, forming 4a sort of net or screen. These wires when the two parts a, o, of the frame are closed retain the sheet or board B. in the frame and at the same time allow all moisture to escape while the sheet or board is fully exposed.. The interior er open spaces of the parts o., o, of the frame A. are equal in area to the sheets or boards to be dried and the frame therefore when closed will not cover or come in contact with any part of the sheet or board. This is clearly shown in Fig. 2.

The sheets or boards B. as they are taken from the cylinder of the board-making machine are placed in the frames A. and the two parts ci, o, of the frames are closed as shown in Figs. l and 3. The wet or green boards may thus be safely carried to any suitable drying place and any of the artifi cial drying arrangements employed that are now used for drying other articles as the frames perfectly protect the sheets or boards. Having thus described my invention what I claim as new and desire to secure by Letters Patent; is:

The facilitating of the curing or drying of wet paper orpaste-board sheets, in the manufacture of the same, by placing or inclosing the sheets in frames constructed substantially as set forth.

JAMES H. PATTERSON. lVitnesses:

I. E. BUTTS, J. F.. PATTERSON. 

